Material grades and specifications

JRW stocks and manufactures a full and comprehensive range of mild steel plate flanges covering EN1092-1, BS4504 and BS10. The company also offers a range of backing flanges for metric, ISO tube and nominal bore pipes which can also be plastic coated to water board standards, HDG (hot dipped galvanized) or zinc electro plated and bronze passivated.

In addition to its range of mild steel, JRW also stocks and manufacture stainless steel flanges covering material grades of 304L and 316L, to ASA, ASME, ANSI, B16.5.

Gaskets and fasteners can be supplied with any flange purchase, just add them to your enquiry.

JRW has recently invested heavily in a comprehensive range of high-pressure forgings in ASTM A105N and ASTM A350 LF2.

Product range

JRW supplies products from a minimum of 15mm to larger diameter flanges up to a maximum of 1480mm. JRW’s product range includes raised face or flat faced slip-ons, weld-necks or blind flanges which are manufactured in house in most materials or they can be modified from the stock which JRW holds.

JRW also carries a significant range of solid and semi-finished forgings enabling it to machine raised face weld necks up to and including wall thicknesses of XXS. The ANSI/ASME range runs from:

  • a half inch up to and including 36 inches
  • pressure ratings 150lbs to 1,500lbs
  • the API range 1.13/16 inches – 16.3/4 inches rating 3,000 – 20,000lbs.
Flanges
Flanges
Butt Weld Fittings
Butt Weld Fittings
Spectacle Flanges
Spectacle Flanges
Blind Spacers & Spacers
Blind Spacers & Spacers
Pipe Products
Pipe Products
Get in Touch

We can help whatever your industry requirements are, get in touch here for a no obligation quote or a simple enquiry.

Get in Touch